The key phrase is applicable to every investor. You have shown a lot of excellent reasoning. You memorized your new wallet by memorizing the phrase in the form of a phrase. But at some point you lost your mental balance. Then no one else knows the phrase you memorized, so you will lose your hard-earned money for a long time. So everyone should not memorize the phrase but save it in a covered pad or engrave it in a paper wallet. This will protect your wealth even if you lose your mental balance or die. Everyone needs wealth, so you should replace your wealth in such a way that in your absence your family can use the collected phrase to restore the wealth.